Radom 1931, printed by S. Nowakowski. 14.5x22 cm, pp. 72, black and white illustrations and photographs in the text, soft cover. Good condition (small stains on the cover).
Illustrated by the author. In contents: Fir Forest. Culture vs. nature. Paleogeographic development of the Świętokrzyskie region. Świętokrzyskie landscape. In the Lysogory Mountains. On the top of the glacier. Geological profile. On the Holy Cross. Flora of the Lysogory Mountains. Swietokrzyskie animal. Forest as a reserve. Implementation of the reserve. Literature.